Home / 2,531.45-3,799.91-2,125.04

Finding the Fourth Proportional to 2,531.45, 3,799.91 and 2,125.04

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Solution

The fourth proportional to 2,531.45, 3,799.91 and 2,125.04 is: 3,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.45 : 3,799.91 = 2,125.04 : x
  2. Step 2: Convert to fraction form
    2,531.45/3,799.91 = 2,125.04/x
  3. Step 3: Cross multiply
    2,531.45x = 3,799.91 × 2,125.04
  4. Step 4: Simplify right side
    2,531.45x = 8,074,947.06
  5. Step 5: Solve for x
    x = 8,074,947.06/2,531.45
  6. Step 6: Final answer
    x = 3,189.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.